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authorBrandon Philips <brandon@ifup.org>2008-04-02 18:10:59 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 14:07:57 -0300
commit78718e5d44cd450431d5b16ee36d3a7de1db6dfa (patch)
tree6f229f1abbd2655433d22f6d054fda4515d4a8da /.mailmap
parentaa9dbac426d263b5b86d1684993d18ae187d7588 (diff)
V4L/DVB (7492): vivi: Simplify the vivi driver and avoid deadlocks
vivi previously had a very complex queuing system and held spinlocks while doing copy_to_user, kmalloc, etc. This caused the driver to easily deadlock when a multi-threaded application used it and revealed bugs in videobuf too. This replaces the copy_to_user with memcpy since we were never copying to user space addresses. And makes the kmalloc atomic. Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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